code: def get_decals_json_file(folder):
      for root, _, filenames in os.walk(folder):
          for filename in fnmatch.filter(
              filenames, "roadpainter_decals.json"
          ):
              return filename
  
      return ""
  
imports: from __future__ import print_function
  import errno
  import fnmatch
  import glob
  import json
  import os
  import shutil
  import subprocess
  import sys
  import argparse
  import threading
  import copy
  import carla
label_desc: Use image node_id 2 for calling a global function with example usage: get_decals_json_file(folder) and returns: str, filename